Home / 22,781,727.18-31,438,866.83-12,327,743.60

Finding the Fourth Proportional to 22,781,727.18, 31,438,866.83 and 12,327,743.60

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Solution

The fourth proportional to 22,781,727.18, 31,438,866.83 and 12,327,743.60 is: 17,012,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781,727.18 : 31,438,866.83 = 12,327,743.60 : x
  2. Step 2: Convert to fraction form
    22,781,727.18/31,438,866.83 = 12,327,743.60/x
  3. Step 3: Cross multiply
    22,781,727.18x = 31,438,866.83 × 12,327,743.60
  4. Step 4: Simplify right side
    22,781,727.18x = 387,570,289,135,951.75
  5. Step 5: Solve for x
    x = 387,570,289,135,951.75/22,781,727.18
  6. Step 6: Final answer
    x = 17,012,331.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.